الجولة الأولى

[Math _student]

Question 1
The answer is:
1=^x3 + ^y3 + ^z2= 1+0+0=0+1+0 =0+0+1= -1+1+1=1+-1+1
Question 2
The answer is:
x(^x2-4)^x2/4squar root of (^x2-4)³

Question 3
The answer is:
5 cos 90 + 3cos 30+ 4 cos 60 ≤ 5+4+3/2

4.5 ≤ 6

Question 4
The answer is:
Only one natural number when
n=1

The prime number is 3

Question 5
The answer is:
Since an > 0 , bn > 0
And 1/ an, 1/ bn
Approach to zero so the sequences an and bn
Is grater than 20

[uaemath]

:wave:Math _student:t:

however to grant you full marks , we need you to write the detailed answers

Welcome to the contest :w:

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